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Supporting Server Selection in Differentiated Service Networks \Lambda
 

Summary: Supporting Server Selection in Differentiated
Service Networks \Lambda
Fang Hao Ellen W. Zegura Mostafa H. Ammar
Bell Laboratories Networking and Telecommunications Group
Murray Hill, NJ 07974 College of Computing, Georgia Tech, Atlanta, GA 30332
fangh@research.bell­labs.com fewz,ammarg@cc.gatech.edu
Abstract---As the Internet has grown in size and diversity of applications,
two trends have emerged to provide good end­user perceived performance.
First, servers are often replicated for better scalability of the service. Sec­
ond, QoS approaches, such as the differentiated services framework, have
been proposed as enhancement to the best­effort IP service. We are inter­
ested in the combination of these two trends; that is, replicated servers in
QoS­based networks. In this paper, we focus on the problem of selecting
amongst replicated servers in the context of differentiated service networks.
Our contributions are twofold. First, we design aQoS­based serverselection
architecture. The architecture is scalable in the sense that server selection
and resource reservation are done in an aggregated fashion and operate in
the background, rather than being driven by individual client demand. At
the same time, the architecture offers fast response time to client requests for
server selection. Second, we explore the design space implied by the archi­

  

Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology
Zegura, Ellen W. - College of Computing, Georgia Institute of Technology

 

Collections: Computer Technologies and Information Sciences